Segregation kinetics of particles with different roughneses and elasticities under a rapid gravity flow of a granular medium

The effect of separation of particles with different roughnesses and elasticities occurring in a rapid gravity flow of granular medium is investigated experimentally. A mathematical description of segregation kinetics of cohesionless inelastic spherical particles with different physicomechanical pro...

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Bibliographic Details
Published in:	Theoretical foundations of chemical engineering Vol. 43; no. 2; pp. 187 - 195
Main Authors:	Dolgunin, V. N., Ivanov, O. O., Ukolov, A. A.
Format:	Journal Article
Language:	English
Published:	Dordrecht SP MAIK Nauka/Interperiodica 01-04-2009
Subjects:	Chemistry Chemistry and Materials Science Industrial Chemistry/Chemical Engineering Chaotic Motion Uniform Medium Oblique Impact Granular Medium Collision Velocity
Online Access:	Get full text
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Summary:	The effect of separation of particles with different roughnesses and elasticities occurring in a rapid gravity flow of granular medium is investigated experimentally. A mathematical description of segregation kinetics of cohesionless inelastic spherical particles with different physicomechanical properties under gravity flow of granular medium is suggested. A comparison between the results of mathematical simulation of the segregation process and experimental data is presented and the main mechanism of segregation is clarified.
ISSN:	0040-5795 1608-3431
DOI:	10.1134/S0040579509020092